<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <!-- 
    cellpadding单元格内容和其边距的空白
    cellspacing单元格和单元格之间的距离
    height500
    width500
    bgColor设置单元格的背景图片
   -->
  <table border="6" cellpadding="5" cellspacing="5" height="500" width="500" align="center" bgColor="pink">
    <thead>
      <tr>
        <th colspan="2">表头</th>
        <th colspan="2">表头</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>表体</td>
        <td>表体</td>
      </tr>
    </tbody>
    <tfoot>
      <tr>
        <td>表尾</td>
        <td>
          <!-- <table border="6" cellpadding="5" cellspacing="5" height="500" width="500" align="center" bgColor="pink">
          </table> -->
        </td>
      </tr>
    </tfoot>
  </table>
</body>
</html>